GB2271870B - A hydrostatic drive system - Google Patents
A hydrostatic drive systemInfo
- Publication number
- GB2271870B GB2271870B GB9320914A GB9320914A GB2271870B GB 2271870 B GB2271870 B GB 2271870B GB 9320914 A GB9320914 A GB 9320914A GB 9320914 A GB9320914 A GB 9320914A GB 2271870 B GB2271870 B GB 2271870B
- Authority
- GB
- United Kingdom
- Prior art keywords
- drive system
- hydrostatic drive
- hydrostatic
- drive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000002706 hydrostatic effect Effects 0.000 title 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2278—Hydraulic circuits
- E02F9/2296—Systems with a variable displacement pump
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2221—Control of flow rate; Load sensing arrangements
- E02F9/2225—Control of flow rate; Load sensing arrangements using pressure-compensating valves
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2278—Hydraulic circuits
- E02F9/2292—Systems with two or more pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/022—Flow-dividers; Priority valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4235707A DE4235707B4 (en) | 1992-10-22 | 1992-10-22 | Hydrostatic drive system |
US08/141,848 US5460000A (en) | 1992-10-22 | 1993-10-22 | Hydrostatic drive system |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9320914D0 GB9320914D0 (en) | 1993-12-01 |
GB2271870A GB2271870A (en) | 1994-04-27 |
GB2271870B true GB2271870B (en) | 1995-10-18 |
Family
ID=25919726
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9320914A Expired - Fee Related GB2271870B (en) | 1992-10-22 | 1993-10-11 | A hydrostatic drive system |
Country Status (5)
Country | Link |
---|---|
US (1) | US5460000A (en) |
JP (1) | JPH06200904A (en) |
DE (1) | DE4235707B4 (en) |
FR (1) | FR2697296B1 (en) |
GB (1) | GB2271870B (en) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4417962A1 (en) * | 1994-05-21 | 1995-11-23 | Rexroth Mannesmann Gmbh | Control arrangement for at least two hydraulic consumers |
KR970011608B1 (en) * | 1994-09-06 | 1997-07-12 | 대우중공업 주식회사 | Apparatus for controlling tunning torque in a construction equipment |
DE19517974A1 (en) * | 1995-05-16 | 1996-11-21 | Brueninghaus Hydromatik Gmbh | Slidable hydraulic power or torque control device |
US5577435A (en) * | 1996-03-11 | 1996-11-26 | New Holland North America, Inc. | High flow hydraulic circuit for tractors |
FR2757222B1 (en) * | 1996-12-17 | 2000-12-01 | Mannesmann Rexroth Sa | MULTIPLE HYDRAULIC DISTRIBUTION DEVICE |
DE19703997A1 (en) * | 1997-02-04 | 1998-08-06 | Mannesmann Rexroth Ag | Hydraulic control circuit for a priority and for a subordinate hydraulic consumer |
GB2324575B (en) * | 1997-04-24 | 2000-08-09 | Caterpillar Inc | Load sense hydraulic system |
DE19833489A1 (en) | 1998-07-24 | 2000-01-27 | Mannesmann Rexroth Ag | Hydraulic circuit for controlling user of work apparatus has pump supplying user with pressure medium via feed conduit with back flow conduit feeding back to tank |
EP1088995A4 (en) * | 1999-04-26 | 2006-04-05 | Hitachi Construction Machinery | Hydraulic circuit device |
DE502004005540D1 (en) * | 2004-01-07 | 2007-12-27 | Bosch Rexroth Ag | POWER VALVE AND POWER SUPPLY WITH MULTIPLE POWER VALVES |
DE102005053265B4 (en) * | 2005-11-08 | 2020-07-09 | Linde Hydraulics Gmbh & Co. Kg | Hydrostatic drive system |
DE102006050752A1 (en) * | 2006-10-27 | 2008-04-30 | Volkswagen Ag | Automatic transmission e.g. double clutch transmission, control arrangement for motor vehicle, has selector designed such that piston moves between end positions and intermediate position, so that pressure and/or flow rate are adjusted |
EP2072867B1 (en) * | 2007-12-18 | 2010-02-24 | C.R.F. Società Consortile per Azioni | Electro-hydraulic control apparatus for a motor-vehicle transmission with at least five forward gears and one reverse gear |
EP2531735B1 (en) | 2010-02-02 | 2013-12-11 | Bucher Hydraulics S.p.A. | Hydraulic section for load sensing applications and multiple hydraulic distributor |
CN107654426A (en) * | 2017-10-30 | 2018-02-02 | 湖南五新隧道智能装备股份有限公司 | A kind of drill jumbo and its impulsive control hydraulic system |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4463557A (en) * | 1983-08-12 | 1984-08-07 | Deere & Company | Open center hydraulic system |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3433896A1 (en) * | 1983-09-14 | 1985-03-28 | Linde Ag, 6200 Wiesbaden | Hydraulic system for a steerable vehicle with battery-supplied electrical drive |
DE3410071C2 (en) * | 1984-03-20 | 1994-06-01 | Bosch Gmbh Robert | Hydraulic system |
DE3435231A1 (en) * | 1984-09-26 | 1986-04-03 | Mannesmann Rexroth GmbH, 8770 Lohr | Arrangement for controlling a pressure medium |
JP2582266B2 (en) * | 1987-09-29 | 1997-02-19 | 新キヤタピラー三菱株式会社 | Fluid pressure control system |
IN171213B (en) * | 1988-01-27 | 1992-08-15 | Hitachi Construction Machinery | |
US5134853A (en) * | 1988-05-10 | 1992-08-04 | Hitachi Construction Machinery Co., Ltd. | Hydraulic drive system for construction machines |
DE3821415A1 (en) * | 1988-06-24 | 1989-12-28 | Rexroth Mannesmann Gmbh | Hydraulic control circuit for a trailer brake valve |
CS272436B1 (en) * | 1988-10-27 | 1991-01-15 | Polacek Bohumil | Through-flow divider for priority feed of vehicles' power steering |
US5209063A (en) * | 1989-05-24 | 1993-05-11 | Kabushiki Kaisha Komatsu Seisakusho | Hydraulic circuit utilizing a compensator pressure selecting value |
ES2047675T3 (en) * | 1989-07-26 | 1994-03-01 | Kobe Steel Ltd | METHOD OF CONTROLLING THE TURNING OPERATION OF A TURNING MECHANISM AND A HYDRAULIC CONTROL SYSTEM TO CARRY OUT THE SAME. |
-
1992
- 1992-10-22 DE DE4235707A patent/DE4235707B4/en not_active Expired - Fee Related
-
1993
- 1993-10-11 GB GB9320914A patent/GB2271870B/en not_active Expired - Fee Related
- 1993-10-21 JP JP5263448A patent/JPH06200904A/en active Pending
- 1993-10-22 FR FR9312640A patent/FR2697296B1/en not_active Expired - Fee Related
- 1993-10-22 US US08/141,848 patent/US5460000A/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4463557A (en) * | 1983-08-12 | 1984-08-07 | Deere & Company | Open center hydraulic system |
Also Published As
Publication number | Publication date |
---|---|
DE4235707B4 (en) | 2007-10-18 |
US5460000A (en) | 1995-10-24 |
JPH06200904A (en) | 1994-07-19 |
FR2697296A1 (en) | 1994-04-29 |
GB2271870A (en) | 1994-04-27 |
FR2697296B1 (en) | 1997-09-05 |
GB9320914D0 (en) | 1993-12-01 |
DE4235707A1 (en) | 1994-04-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19991011 |